I prefer Gerd's solution. Tools can set a default value for the 'protocol
version', suitable for older guests who cannot set it themselves.
 -- Keir
On 9/1/07 11:11, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:
> Now that the 32on64 patches have mostly been merged, what is the plan wrt
> making the non-compatible backends bimodal capable? While Gerd's suggested
> approach is clearly less involved than mine, I continue to dislike the idea of
> having to touch the frontends so that those can inform the backend about
> their protocol version; I had hoped that this can be done fully backward
> compatibly (except perhaps for pv drivers in hcm guests) by allowing the
> backend to learn the address size of the guest, which the tools can know
> pretty early during domain creation.
>
> Thanks, Jan
>
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